:root {
    --primary-teal: #007373; /* AppTheme.vibrantTeal */
    --primary-coral: #FA8073; /* AppTheme.playfulCoral */
    --sunny-yellow: #FACC4D; /* AppTheme.sunnyYellow */
    --bg-color: #F5F3E1; /* AppTheme.lightCream */
    --text-color: #073B4C; /* AppTheme.deepNavy */
    --text-secondary: rgba(7, 59, 76, 0.7); /* Deep Navy 0.7 opacity */
    --white: #FFFFFF;
    
    /* AppTheme.CornerRadius */
    --radius-small: 8px;
    --radius-medium: 16px;
    --radius-large: 20px;
    --radius-round: 999px;

    /* AppTheme.Spacing */
    --spacing-regular: 16px;
    
    --max-width: 1200px;
    /* Updated Font Family to Lexend to match App */
    --font-family: "Lexend", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Import Lexend Font */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@400;500;600;700&display=swap');

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    font-size: 16px; /* AppTheme.Typography.body */
    -webkit-font-smoothing: antialiased;
}

/* Typography matching AppTheme hierarchy */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700; /* Bold */
    letter-spacing: 0.02em; /* Adjusted for Uppercase */
    margin-bottom: 0.5em;
    color: var(--text-color);
    text-transform: uppercase; /* Matching App's heavy uppercase usage */
}

/* Web Hero H1 - larger than app largeTitle for impact, but same weight */
h1 { 
    font-size: 3rem; 
    line-height: 1.1; 
}

/* AppTheme.Typography.title1 (~23pt) scaled for web headings */
h2 { 
    font-size: 1.8rem; /* Approx 29px */
}

/* AppTheme.Typography.title2 (~19pt) */
h3 { 
    font-size: 1.4rem; /* Approx 22px */
}

p, li, span, div {
    color: var(--text-color);
}

p {
    margin-bottom: 1.5rem;
}

/* Links */
a {
    color: var(--primary-teal);
    text-decoration: none;
    transition: opacity 0.2s ease;
    font-weight: 500;
}

a:hover {
    opacity: 0.8;
}

/* Layout */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
header {
    background-color: rgba(245, 243, 225, 0.95); /* Light Cream opacity */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0, 115, 115, 0.1); /* AppTheme.border */
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.1rem; /* AppTheme.headline size */
    font-weight: 600; /* Semibold */
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 12px;
    text-transform: uppercase; /* Logo Text Uppercase */
    letter-spacing: 0.05em;
}

.logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-small);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    color: var(--text-color);
    font-size: 14px; /* Slightly smaller for nav */
    font-weight: 600;
    text-transform: uppercase; /* Nav Links Uppercase */
    letter-spacing: 0.05em;
}

/* Buttons matching AppTheme Primary Action */
.cta-button {
    background-color: var(--primary-teal);
    color: white !important;
    padding: 12px 24px; /* Slightly larger click area */
    border-radius: var(--radius-round);
    font-weight: 700; /* Bold */
    text-transform: uppercase; /* Buttons Uppercase */
    letter-spacing: 0.05em;
    /* AppTheme.Shadow.small */
    box-shadow: 0 2px 1px rgba(0,0,0,0.05); 
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    font-size: 14px;
}

.cta-button:hover {
    transform: translateY(-2px);
    /* AppTheme.Shadow.medium */
    box-shadow: 0 4px 2px rgba(0,0,0,0.1);
    opacity: 1;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 100px 0 60px;
    background: transparent;
}

.hero h1 {
    margin-bottom: 20px;
    color: var(--text-color);
    text-transform: none; /* Keep Hero H1 natural case for readability, or remove this line to force uppercase */
}

/* Override H1 in hero to be Mixed Case if desired, but user asked for "capital font". 
   I will make everything uppercase headers per user request for "capital font in the app". 
   However, Hero text is often better mixed. I'll force uppercase on headers as requested. 
*/
.hero h1 {
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.hero .subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    font-weight: 400;
}

.app-store-badge {
    display: inline-block;
    height: 50px;
    transition: transform 0.2s;
}

.app-store-badge:hover {
    transform: scale(1.05);
}

/* Features */
.features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

/* Card Styling matching AppTheme.card */
.feature-card {
    background: rgba(255, 255, 255, 0.6); /* AppTheme.card light mode */
    padding: 40px;
    border-radius: var(--radius-large); /* AppTheme.CornerRadius.large */
    /* AppTheme.border light mode */
    border: 1px solid rgba(0, 115, 115, 0.1); 
    /* AppTheme.Shadow.small */
    box-shadow: 0 2px 1px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    /* AppTheme.Shadow.medium on hover */
    box-shadow: 0 4px 2px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: inline-block;
}

/* Content Pages (Privacy, Terms, Support) */
.content-section {
    padding: 60px 0 100px;
}

.content-section h1 {
    margin-bottom: 40px;
    text-align: center;
}

/* Card Styling for Content Blocks */
.content-block {
    background: rgba(255, 255, 255, 0.6);
    padding: 60px;
    border-radius: var(--radius-large);
    border: 1px solid rgba(0, 115, 115, 0.1);
    box-shadow: 0 2px 1px rgba(0,0,0,0.05);
    margin-bottom: 40px;
}

.content-block h2 {
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--primary-teal); /* Branded headers */
    text-transform: uppercase;
}

.content-block h3 {
    font-size: 1.2rem;
    margin-top: 24px;
    margin-bottom: 10px;
    color: var(--text-color);
    text-transform: uppercase;
}

.content-block ul, .content-block ol {
    margin-bottom: 20px;
    padding-left: 20px;
    color: var(--text-color);
}

.content-block li {
    margin-bottom: 8px;
    color: var(--text-color);
}

/* Footer */
footer {
    background-color: rgba(255, 255, 255, 0.6);
    padding: 60px 0;
    border-top: 1px solid rgba(0, 115, 115, 0.1);
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.footer-links a:hover {
    color: var(--primary-teal);
}

.copyright {
    color: var(--text-secondary);
    margin-top: 40px;
    font-size: 0.8rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    
    .nav-links {
        display: none;
    }
    
    .content-block {
        padding: 30px;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}